Foster Co. adjusted its allowance for uncollectible accounts at year-end. The general ledger balances for the accounts receivable and the related allowance account were $1,000,000 and $40,000, respectively. Foster uses the percentage-of-receivables method to estimate its allowance for uncollectible accounts. Accounts receivable were estimated to be 5% uncollectible. What amount should Foster record as an adjustment to its allowance for uncollectible accounts at year-end